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From "Werner Punz (JIRA)" <...@myfaces.apache.org>
Subject [jira] Issue Comment Edited: (MYFACES-2458) Miscellaneous AJAX bugs
Date Fri, 10 Sep 2010 07:59:33 GMT

    [ https://issues.apache.org/jira/browse/MYFACES-2458?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12907920#action_12907920
] 

Werner Punz edited comment on MYFACES-2458 at 9/10/10 3:59 AM:
---------------------------------------------------------------

Ok I just checked the f:ajax onError problem, I am not sure if this is really a bug, because
the way it is rendered...

you pass an unwrapped command as error handler which is executed automatically at onclick
time.
I will check mojarra if it also does it, but I think passing a simple alert as error handler
is a no go here, because at render level where it should be interecepted it cannot be clearly
determined whether the code is a function or not (we are on java there)
wrapping it into a string might be a way to go and then wrapping the string into a function
and an eval.

I will investigate further but I assume mojarra also does it like we do and the asumption
on how to set the error handler simply is wrong, I will check it.


      was (Author: werpu):
    Ok I just checked the f:ajax onError problem, it indeed is a problem on the jsf.js side,
the solution will probably be to check if a function is passed and if not wrap it into a function
dynamically.
I have not yet checked against mojarra, but I see this indeed as a bug.


  
> Miscellaneous AJAX bugs
> -----------------------
>
>                 Key: MYFACES-2458
>                 URL: https://issues.apache.org/jira/browse/MYFACES-2458
>             Project: MyFaces Core
>          Issue Type: Bug
>          Components: JSR-314
>    Affects Versions: 2.0.0-alpha-2
>            Reporter: Curtiss Howard
>            Priority: Minor
>
> There are a couple minor AJAX-related bugs:
> * h:commandButton needs to append "return false;" for onclick when a behavior chain is
present.
> * if <f:ajax> disabled=true, the AJAX call is still emitted.
> * Possible issue with <f:ajax> execute="multiple ids".  Seems the javax.faces.partial.execute
request param may differ from Sun RI.
> * Unable to restore StateHolder when listener is specified for <f:ajax>.
> * <f:ajax> onevent not being handled.
> * <f:ajax> onerror not being handled.
> * <f:ajax> render="@all" not working correctly.
> * <f:ajax> render="@form" not working correctly.
> * <f:ajax> render="@this" not working correctly.

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